313618 has 8 divisors (see below), whose sum is σ = 473148. Its totient is φ = 155904.

The previous prime is 313613. The next prime is 313619. The reversal of 313618 is 816313.

It can be written as a sum of positive squares in 2 ways, for example, as 294849 + 18769 = 543^2 + 137^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a zygodrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (313613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130 + ... + 802.

2³¹³⁶¹⁸ is an apocalyptic number.

313618 is a deficient number, since it is larger than the sum of its proper divisors (159530).

313618 is a wasteful number, since it uses less digits than its factorization.

313618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908.

The product of its digits is 432, while the sum is 22.

The square root of 313618 is about 560.0160711980. The cubic root of 313618 is about 67.9412699367.

The spelling of 313618 in words is "three hundred thirteen thousand, six hundred eighteen".